What is Seedance 2 API - Poyo.ai
Seedance 2.0 is ByteDance's multimodal AI video generation model, available through the PoYo API. It allows users to create cinematic video from text, image, video, and audio inputs. The model supports native audio-video joint synthesis, multi-shot storytelling, and lip-sync across multiple languages, offering director-level control over camera motion, lighting, and physics.
How to use Seedance 2 API - Poyo.ai
- Register & Create API Key: Sign up on PoYo and generate your API key.
- Top Up Credits: Add credits to your account for generation.
- Integrate the API: Submit generation requests with prompts and reference files using the provided documentation.
Features of Seedance 2 API - Poyo.ai
- Unified Audio-Video Joint Generation: Generates video and audio together in a single pass using a Dual-Branch Diffusion Transformer architecture.
- Multimodal Inputs: Accepts text prompts combined with up to 9 images, 3 video clips (≤15s total), and 3 audio files (≤15s total) per request.
- Native Multi-Shot Storytelling: Creates cohesive multi-shot sequences from a single prompt, maintaining character consistency and narrative continuity.
- Native Dialogue and Lip-Sync: Produces dialogue with lip-sync across 8+ languages, including English, Chinese, Japanese, and Korean.
- Director-Level Cinematic Control: Offers control over camera motion (tracking, orbit, pan), lighting, shadows, and physics.
- Video Extension, Style Transfer, and Enhancement: Supports extending existing footage, restyling looks, and iterative refinement.
Use Cases of Seedance 2 API - Poyo.ai
- Film and Pre-Visualization: Generate multi-shot pre-visualization sequences with synchronized dialogue and ambient audio.
- Multilingual Content Localization: Adapt creative briefs into regionally authentic video variants with native lip-sync.
- Advertising and Marketing: Create cinematic ad concepts by combining product images, brand audio, reference footage, and copy.
- Gaming and Interactive Media: Produce cutscenes, action sequences, and in-game video assets with consistent characters and native soundtracks.
- Music Videos and Cinematic B-Roll: Generate rhythm-synced visuals driven by audio references or create stable cinematic b-roll.
- Education and Training: Build instructional videos with consistent presenters and multilingual narration.
Pricing
Seedance 2.0 API pricing on PoYo is credit-based, charged per second of video generated:
- seedance-2 · 720p · text/image-to-video: 40 credits ($0.20/s)
- seedance-2 · 720p · with video input: 20 credits ($0.10/s)
- seedance-2 · 480p · text/image-to-video: 20 credits ($0.10/s)
- seedance-2 · 480p · with video input: 10 credits ($0.05/s)
- seedance-2-fast · 720p · text/image-to-video: 28 credits ($0.14/s)
- seedance-2-fast · 720p · with video input: 16 credits ($0.08/s)
- seedance-2-fast · 480p · text/image-to-video: 14 credits ($0.07/s)
- seedance-2-fast · 480p · with video input: 8 credits ($0.04/s)
Features include pay-per-second pricing, non-expiring credits, a cheaper "fast" mode for drafts, and discounted rates for 480p resolution and video input usage. Pricing starts as low as $0.04 per second.
FAQ
- What is Seedance 2.0? Seedance 2.0 is ByteDance's multimodal AI video generation model, available via the PoYo API. It creates cinematic video with native audio from various inputs, emphasizing director-level control and multi-shot narratives.
- What inputs does Seedance 2.0 support? It supports text prompts combined with up to 9 images, 3 video clips (≤15s total), and 3 audio files (≤15s total) per request, totaling up to 12 reference assets.
- What are the video length and resolution limits? Generates clips up to 15 seconds, with optimal quality typically under 10 seconds. Resolutions range from 720p to 2K.
- Does Seedance 2.0 support native audio and lip-sync? Yes, it generates video and audio together, including dialogue with lip-sync across 8+ languages.
- How does Seedance 2.0 compare to Seedance 1.0? Seedance 2.0 adds unified audio-video generation, more multimodal inputs, native multi-shot storytelling, 8+ language lip-sync, and enhanced cinematic control.
- Can I use Seedance 2.0 for commercial projects? Commercial use is generally available via credit-based API access on PoYo, subject to terms of service.
- How quickly can I start using Seedance 2.0 API? You can start in minutes by creating an API key, adding credits, and using the provided documentation.




